Half the time I work solo. The times my friend comes out and helps me if I do a bunch of small jobs, and or mowing route at the end of the day I will have the cash to pay him.
Then when there is the big job where I have to wait to get the check, he waits. He knows I have a small business and even though I try to always have cash to cover expenses sometime things come up.
Such as I had to buy 4 tires and an alignment. BFG TA KO's. Like them a lot. They cost a lot.